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Interface javax.faces.component.ActionSource
public interface ActionSource
ActionSource is an interface that may be implemented by any concrete UIComponent that wishes to be a source of ActionEvents, including the ability to invoke application actions via the default ActionListener mechanism.
Method Index Method Description void addActionListener(ActionListener) Add a new ActionListener to the set of listeners interested in being notified when ActionEvents occur. MethodBinding getAction() Return the MethodBindingpointing at the application action to be invoked, if this UIComponent is activated by the user, during the Apply Request Values or Invoke Application phase of the request processing lifecycle, depending on the value of the immediate property. MethodBinding getActionListener() Return the MethodBinding pointing at an action listener method to be invoked, if this UIComponent is activated by the user, during the Apply Request Values or Invoke Application phase of the request processing lifecycle, depending upon the value of the immediate property. ActionListener[] getActionListeners() Return the set of registered ActionListeners for this ActionSource instance. boolean isImmediate() Return a flag indicating that the default ActionListener provided by the JavaServer Faces implementation should be executed immediately (that is, during Apply Request Values phase of the request processing lifecycle), rather than waiting until the Invoke Application phase. void removeActionListener(ActionListener) Remove an existing ActionListener (if any) from the set of listeners interested in being notified when ActionEvents occur. void setAction(MethodBinding) Set the MethodBinding pointing at the appication action to be invoked, if this UIComponent is activated by the user, during the Apply Request Values or Invoke Application phase of the request processing lifecycle, depending on the value of the immediate property. void setActionListener(MethodBinding) Set the MethodBinding pointing at an action listener method to be invoked, if this UIComponent is activated by the user, during the Apply Request Values or Invoke Application phase of the request processing lifecycle, depending upon the value of the immmediate property. void setImmediate(boolean) Set the "immediate execution" flag for this UIComponent.
Methods
addActionListener
public void addActionListener(ActionListener listener)
Add a new ActionListener to the set of listeners interested in being notified when ActionEvents occur.
- Parameters
- listener - The ActionListener to be added
- Throws
- NullPointerException if listener is null
getAction
public MethodBinding getAction()
Return the MethodBindingpointing at the application action to be invoked, if this UIComponent is activated by the user, during the Apply Request Values or Invoke Application phase of the request processing lifecycle, depending on the value of the immediate property.
getActionListener
public MethodBinding getActionListener()
Return the MethodBinding pointing at an action listener method to be invoked, if this UIComponent is activated by the user, during the Apply Request Values or Invoke Application phase of the request processing lifecycle, depending upon the value of the immediate property.
getActionListeners
public ActionListener[] getActionListeners()
Return the set of registered ActionListeners for this ActionSource instance. If there are no registered listeners, a zero-length array is returned.
isImmediate
public boolean isImmediate()
Return a flag indicating that the default ActionListener provided by the JavaServer Faces implementation should be executed immediately (that is, during Apply Request Values phase of the request processing lifecycle), rather than waiting until the Invoke Application phase. The default value for this property must be false.
removeActionListener
public void removeActionListener(ActionListener listener)
Remove an existing ActionListener (if any) from the set of listeners interested in being notified when ActionEvents occur.
- Parameters
- listener - The ActionListener to be removed
- Throws
- NullPointerException if listener is null
setAction
public void setAction(MethodBinding action)
Set the MethodBinding pointing at the appication action to be invoked, if this UIComponent is activated by the user, during the Apply Request Values or Invoke Application phase of the request processing lifecycle, depending on the value of the immediate property.
Any method referenced by such an expression must be public, with a return type of String, and accept no parameters.
- Parameters
- action - The new MethodBinding expression
setActionListener
public void setActionListener(MethodBinding actionListener)
Set the MethodBinding pointing at an action listener method to be invoked, if this UIComponent is activated by the user, during the Apply Request Values or Invoke Application phase of the request processing lifecycle, depending upon the value of the immmediate property.
Any method referenced by such an expression must be public, with a return type of void, and accept a single parameter of type ActionEvent.
- Parameters
- actionListener - The new method binding expression
setImmediate
public void setImmediate(boolean immediate)
Set the "immediate execution" flag for this UIComponent.
- Parameters
- immediate - The new immediate execution flag
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